Title: p-Nitrophenol
CAS Registry Number: 100-02-7
Additional Names: 4-Nitrophenol
Molecular Formula: C6H5NO3
Molecular Weight: 139.11
Percent Composition: C 51.80%, H 3.62%, N 10.07%, O 34.50%
Literature References: Review of toxicology and human exposure: Toxicological Profile for Nitrophenols: 2-Nitrophenol and 4-Nitrophenol (PB93-110823, 1992) 131 pp.
Properties: Colorless to slightly yellow, odorless crystals; sweetish, then burning taste. d4120 1.270. mp 113-114°. Sublimes; slightly volatile with steam. Moderately sol in cold water, freely in alcohol, chloroform, ether; also sol in solns of fixed alkali hydroxides and carbonates. LD50 orally in mice, rats: 467, 616 mg/kg, K.C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3; PB214-270, 1972).
Melting point: mp 113-114°
Density: d4120 1.270
Toxicity data: LD50 orally in mice, rats: 467, 616 mg/kg, K.C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3; PB214-270, 1972)
Use: Manuf of pharmaceuticals, fungicides, dyes. Indicator in 0.1% alcohol soln. pH: 5.6 colorless, 7.6 yellow. |